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added code to normCast to list acking/non-acking nodes upon failure

pull/9/head
bebopagogo 2020-01-11 21:30:54 -05:00
parent 9775aa3744
commit 2188afe82f
1 changed files with 23 additions and 4 deletions
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27
examples/normCast.cpp
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@ -519,6 +519,7 @@ void NormCaster::HandleNormEvent(const NormEvent& event)
case NORM_TX_WATERMARK_COMPLETED:
if (NORM_ACK_SUCCESS == NormGetAckingStatus(norm_session))
{
// All receivers acknowledged.
norm_last_object = NORM_OBJECT_INVALID;
bool txFilePending = TxFilePending(); // need to check this _before_ possible call to SendFiles()
if (norm_flow_control_pending)
@ -543,10 +544,28 @@ void NormCaster::HandleNormEvent(const NormEvent& event)
}
else
{
// TBD - we could see who did and how didn't ACK and possibly remove them
// from our acking "membership". For now, we are infinitely
// persistent by resetting watermark ack request without clearing
// flow control
// In multicast, there is a chance some nodes ACK ...
// so let's see who did, if any.
// This iterates through the acking nodes looking for responses
// to our application-defined NormSetWatermarkEx() request
NormAckingStatus ackingStatus;
NormNodeId nodeId = NORM_NODE_NONE; // this inits NormGetNextAckingNode() iteration
while (NormGetNextAckingNode(event.session, &nodeId, &ackingStatus))
{
UINT32 tmp = htonl(nodeId);
ProtoAddress addr;
addr.SetRawHostAddress(ProtoAddress::IPv4, (char*)&tmp, 4);
if (NORM_ACK_SUCCESS != ackingStatus)
fprintf(stderr, "normCast: node %lu (IP address: %s) failed to acnowledge.\n",
(unsigned long)nodeId, addr.GetHostString());
else
fprintf(stderr, "normCast: node %lu (IP address: %s) acknowledged.\n",
(unsigned long)nodeId, addr.GetHostString());
}
// TBD - we could eventually time out and remove nodes that fail to ack
// but for now, we are infinitely persistent by resetting watermark
// ack request without clearing flow control
if (NORM_OBJECT_INVALID == norm_flush_object)
{
NormResetWatermark(norm_session);